(Reading database ... 444858 files and directories currently installed.)
Preparing to unpack .../libwayland-dev_1.14.0+git201802091202.ef48ff2-1632~ubuntu16.04.1_amd64.deb ...
Unpacking libwayland-dev (1.14.0+git201802091202.ef48ff2-1632~ubuntu16.04.1) over (1.12.0-1~ubuntu16.04.3) ...
dpkg: warning: overriding problem because --force enabled:
dpkg: warning: trying to overwrite '/usr/bin/wayland-scanner', which is also in package libwayland-bin 1.12.0-1~ubuntu16.04.3
dpkg: warning: overriding problem because --force enabled:
dpkg: warning: trying to overwrite '/usr/share/aclocal/wayland-scanner.m4', which is also in package libwayland-bin 1.12.0-1~ubuntu16.04.3
dpkg: warning: overriding problem because --force enabled:
dpkg: warning: trying to overwrite '/usr/share/wayland/wayland-scanner.mk', which is also in package libwayland-bin 1.12.0-1~ubuntu16.04.3
Setting up libwayland-dev (1.14.0+git201802091202.ef48ff2-1632~ubuntu16.04.1) ...
Processing triggers for man-db (2.7.5-1) ...